Home / 887,385,009.73-1,224,627,408.89-490,901,183.41

Finding the Fourth Proportional to 887,385,009.73, 1,224,627,408.89 and 490,901,183.41

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Solution

The fourth proportional to 887,385,009.73, 1,224,627,408.89 and 490,901,183.41 is: 677,463,601.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,385,009.73 : 1,224,627,408.89 = 490,901,183.41 : x
  2. Step 2: Convert to fraction form
    887,385,009.73/1,224,627,408.89 = 490,901,183.41/x
  3. Step 3: Cross multiply
    887,385,009.73x = 1,224,627,408.89 × 490,901,183.41
  4. Step 4: Simplify right side
    887,385,009.73x = 601,171,044,260,423,040
  5. Step 5: Solve for x
    x = 601,171,044,260,423,040/887,385,009.73
  6. Step 6: Final answer
    x = 677,463,601.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.